Finding the Fourth Proportional to 11,489,343.85, 15,855,326.66 and 6,332,725.90
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Solution
The fourth proportional to 11,489,343.85, 15,855,326.66 and 6,332,725.90 is: 8,739,179.46
Step by Step Solution
- Step 1: Write the proportion equation
11,489,343.85 : 15,855,326.66 = 6,332,725.90 : x - Step 2: Convert to fraction form
11,489,343.85/15,855,326.66 = 6,332,725.90/x - Step 3: Cross multiply
11,489,343.85x = 15,855,326.66 × 6,332,725.90 - Step 4: Simplify right side
11,489,343.85x = 100,407,437,681,802.22 - Step 5: Solve for x
x = 100,407,437,681,802.22/11,489,343.85 - Step 6: Final answer
x = 8,739,179.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.